3012129989 has 16 divisors (see below), whose sum is σ = 3487847040. Its totient is φ = 2570856960.

The previous prime is 3012129949. The next prime is 3012129997. The reversal of 3012129989 is 9899212103.

It is a happy number.

3012129989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-3012129989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012129949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56792 + ... + 96174.

It is an arithmetic number, because the mean of its divisors is an integer number (217990440).

Almost surely, 2^3012129989 is an apocalyptic number.

It is an amenable number.

3012129989 is a deficient number, since it is larger than the sum of its proper divisors (475717051).

3012129989 is a wasteful number, since it uses less digits than its factorization.

3012129989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39820.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 3012129989 is about 54882.8751888966. The cubic root of 3012129989 is about 1444.1907864859.

The spelling of 3012129989 in words is "three billion, twelve million, one hundred twenty-nine thousand, nine hundred eighty-nine".